JPS5545299A - Loudspeaker telephone circuit device controlled by voice for communication facility such as telephone facility - Google Patents

Loudspeaker telephone circuit device controlled by voice for communication facility such as telephone facility

Info

Publication number
JPS5545299A
JPS5545299A JP12331179A JP12331179A JPS5545299A JP S5545299 A JPS5545299 A JP S5545299A JP 12331179 A JP12331179 A JP 12331179A JP 12331179 A JP12331179 A JP 12331179A JP S5545299 A JPS5545299 A JP S5545299A
Authority
JP
Japan
Prior art keywords
facility
telephone
voice
circuit device
device controlled
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP12331179A
Other languages
English (en)
Inventor
Buara Kurausu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of JPS5545299A publication Critical patent/JPS5545299A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/10—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic with switching of direction of transmission by voice frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP12331179A 1978-09-28 1979-09-27 Loudspeaker telephone circuit device controlled by voice for communication facility such as telephone facility Pending JPS5545299A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782842369 DE2842369A1 (de) 1978-09-28 1978-09-28 Schaltungsanordnung fuer eine sprachgesteuerte lautfernsprechstation in fernmelde-, insbesondere fernsprechanlagen

Publications (1)

Publication Number Publication Date
JPS5545299A true JPS5545299A (en) 1980-03-29

Family

ID=6050778

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12331179A Pending JPS5545299A (en) 1978-09-28 1979-09-27 Loudspeaker telephone circuit device controlled by voice for communication facility such as telephone facility

Country Status (6)

Country Link
US (1) US4315103A (ja)
EP (1) EP0009591A1 (ja)
JP (1) JPS5545299A (ja)
AU (1) AU5128079A (ja)
BR (1) BR7906128A (ja)
DE (1) DE2842369A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56105832A (en) * 1980-01-25 1981-08-22 Hitachi Cable Ltd Working method for compression joint and connecting element for pipe type cable

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4346261A (en) * 1980-03-17 1982-08-24 United Networks, Inc. Speaker phones
DE3412111A1 (de) * 1984-03-31 1985-10-10 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltungsanordnung fuer eine sprachgesteuerte freisprecheinrichtung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1282720B (de) * 1966-03-23 1968-11-14 Siemens Ag Schaltungsanordnung fuer sprachgesteuerte Freisprechgeraete
US3610835A (en) * 1970-03-17 1971-10-05 Bell Telephone Labor Inc Loudspeaking telephone
GB1406243A (en) * 1971-10-28 1975-09-17 Gen Electric Co Ltd Loudspeaking telephone instruments
US3725585A (en) * 1972-03-21 1973-04-03 Itt Loudspeaking telephone station circuit
CA976677A (en) * 1973-03-12 1975-10-21 Northern Electric Company Loudspeaking communication terminal apparatus and method of operation
ZA755743B (en) * 1974-09-27 1976-08-25 Gen Electric Improvements in or relating to loudspeaking telephone instruments
CA1058340A (en) * 1975-06-30 1979-07-10 International Standard Electric Corporation Two-way loudspeaking device for telephone stations

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56105832A (en) * 1980-01-25 1981-08-22 Hitachi Cable Ltd Working method for compression joint and connecting element for pipe type cable

Also Published As

Publication number Publication date
DE2842369A1 (de) 1980-04-10
AU5128079A (en) 1980-04-03
US4315103A (en) 1982-02-09
BR7906128A (pt) 1980-07-15
EP0009591A1 (de) 1980-04-16

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